/*
 * Copyright 1999-2012 Alibaba Group.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
/**
 * (created at 2011-1-18)
 */
package fm.liu.timo.parser.ast.expression.comparison;

import fm.liu.timo.parser.ast.expression.Expression;
import fm.liu.timo.parser.ast.expression.ReplacableExpression;
import fm.liu.timo.parser.ast.expression.TernaryOperatorExpression;
import fm.liu.timo.parser.visitor.Visitor;

/**
 * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
 */
public class BetweenAndExpression extends TernaryOperatorExpression
        implements ReplacableExpression {
    private final boolean not;

    public BetweenAndExpression(boolean not, Expression comparee, Expression notLessThan,
            Expression notGreaterThan) {
        super(comparee, notLessThan, notGreaterThan);
        this.not = not;
    }

    public boolean isNot() {
        return not;
    }

    @Override
    public int getPrecedence() {
        return PRECEDENCE_BETWEEN_AND;
    }

    private Expression replaceExpr;

    @Override
    public void setReplaceExpr(Expression replaceExpr) {
        this.replaceExpr = replaceExpr;
    }

    @Override
    public void clearReplaceExpr() {
        this.replaceExpr = null;
    }

    @Override
    public void accept(Visitor visitor) {
        if (replaceExpr == null)
            visitor.visit(this);
        else
            replaceExpr.accept(visitor);
    }
}
